What is a windmill in an emerald cut diamond or moissanite?

posted 3 years ago in Rings
Post # 2
9523 posts
Buzzing Beekeeper

They’re the triangular facets in the corners.

Post # 3
1701 posts
Bumble bee
  • Wedding: July 2009

Just adding to the @GridMonster….Windmills are an older cutting style. Top has windmills due to that cut-corner. The wider the cut, the bigger the windmills. 




No windmills. The facets meet at a 45 degree junction. This is technically a “rectangular step cut” example. 



Ascher’s are a derivation of a Emerald cut with really wide windmills, square and they are technically an octogon. 



Good video: https://www.youtube.com/watch?v=fZhOCQn4Hfg


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